A wiper system for a vehicle comprises: a first and a second wiper arms (15, 17), a motor (11), a crank (12) connected an output shaft of the motor (11), a first and a second link rods (6, 7) pivotably connected to the crank (12), a first pivot shaft assembly driven by the first link rod (6) and a second pivot shaft assembly driven by the second link rod (7), wherein the second pivot shaft assembly comprises: a second and a third pivot shafts (2, 3), a first link rod (16), a second wiper arm (17), and a third link rod (18). By means of the wiper system, the wiping area can be increased and the space inside the vehicle occupied by the wiper assembly can be reduced.